429 v Surrey at The Oval, 2002 (C&G)
373-7 v Bedfordshire at Sophia Gardens, Cardiff, 1998 (NWT)
356-7 v Kent at Swansea, 2017 (RLC)
356-3 v Worcestershire at Worcester, 2022 (RLC)
348-8 v Sussex at Hove, 2019 (RLODC)
345-2 v Durham at Darlington, 1991 (NWT)
344-5 v Lincolnshire at Swansea, 1994 (NWT)

343-5 v Northamptonshire at Sophia Gardens, Cardiff, 2023 (ODC)
340-4 v Lincolnshire at Lincoln, 2004 (C&G)
334-7 v Hampshire at The Ageas Bowl, 2017 (RL)
333-4 v Dorset at Bournemouth, 2000 (NWT)
331-7 v Gloucestershire at Bristol, 2019 (RLODC)
330-4 v Sussex at Hove, 2014 (ODC)
328-4 v Lancashire at Colwyn Bay, 2011 (CB40)
324-8 v Essex at Chelmsford, 2016 (RL)
323-7 v Surrey at Sophia Gardens, 2019 (RLODC)
322-5 v Oxfordshire at Swansea, 1993 (NWT)
321-7 v Kent at SSE SWALEC, 2015 (RL50)
320-5 v Suffolk at Bury St. Edmunds, 2005 (C&G)